#![no_std]
#![no_main]
#![deny(
    clippy::mem_forget,
    reason = "mem::forget is generally not safe to do with esp_hal types, especially those \
    holding buffers for the duration of a data transfer."
)]

use defmt::info;
use esp_hal::clock::CpuClock;
use esp_hal::delay::Delay;
use esp_hal::gpio::{Level, Output, OutputConfig};
use esp_hal::main;
use esp_hal::timer::timg::TimerGroup;
use panic_rtt_target as _;

extern crate alloc;

// This creates a default app-descriptor required by the esp-idf bootloader.
// For more information see: <https://docs.espressif.com/projects/esp-idf/en/stable/esp32/api-reference/system/app_image_format.html#application-description>
esp_bootloader_esp_idf::esp_app_desc!();

#[main]
fn main() -> ! {
    // generator version: 0.5.0

    rtt_target::rtt_init_defmt!();

    let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
    let peripherals = esp_hal::init(config);

    esp_alloc::heap_allocator!(size: 64 * 1024);

    let timg0 = TimerGroup::new(peripherals.TIMG0);
    let _init = esp_wifi::init(timg0.timer0, esp_hal::rng::Rng::new(peripherals.RNG)).unwrap();
    
    let mut led = Output::new(peripherals.GPIO15, Level::Low, OutputConfig::default());

    // Initialize delay
    let delay = Delay::new();

    info!("Starting LED blink program on GPIO15...");

    loop {
        // Turn LED on
        led.set_high();
        info!("LED ON");
        delay.delay_millis(1000);
        
        // Turn LED off
        led.set_low();
        info!("LED OFF");
        delay.delay_millis(1000);
    }
    
    // for inspiration have a look at the examples at https://github.com/esp-rs/esp-hal/tree/esp-hal-v1.0.0-rc.0/examples/src/bin
}
